CN220334482U - Safety device for anti-theft door - Google Patents

Safety device for anti-theft door Download PDF

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Publication number
CN220334482U
CN220334482U CN202321775149.8U CN202321775149U CN220334482U CN 220334482 U CN220334482 U CN 220334482U CN 202321775149 U CN202321775149 U CN 202321775149U CN 220334482 U CN220334482 U CN 220334482U
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China
Prior art keywords
rod
plugging
locking
mounting
rectangular box
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Active
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CN202321775149.8U
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Chinese (zh)
Inventor
杨天雪
蔡曦葵
杨静
孙良艳
陈永阳
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Fujian Special Equipment Inspection and Research Institute
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Fujian Special Equipment Inspection and Research Institute
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Priority to CN202321775149.8U priority Critical patent/CN220334482U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B50/00Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies

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  • Elevator Door Apparatuses (AREA)

Abstract

The utility model discloses an anti-theft door safety device, which belongs to the field of elevator safety components and comprises an elevator and two car doors arranged on the elevator, wherein the two car doors are provided with mounting grooves, the interior of one of the mounting grooves is provided with a pushing mechanism, the interior of the other mounting groove is provided with a locking mechanism, the pushing mechanism comprises a mounting plate arranged in one of the mounting grooves, a driving motor is arranged on the mounting plate, one side of the mounting plate far away from the driving motor is rotationally connected with a first threaded rod, the output end of the driving motor penetrates through the mounting plate and is fixedly connected with the first threaded rod, the outer side of the first threaded rod is provided with a first rectangular box, and the first rectangular box is fixedly connected with the mounting plate; the car door can play a role in preventing the door from being pulled out and alarming in emergency, can digest a part of stress, and can bear larger transverse force, so that the car door can be effectively prevented from being pulled out.

Description

Safety device for anti-theft door
Technical Field
The utility model relates to the field of elevator safety components, in particular to an anti-theft door safety device.
Background
An elevator is a vehicle for vertically transporting pedestrians or goods, and is widely applied to floor buildings. In order to provide convenient access and cargo handling, a vertical lift elevator is usually provided with two car doors, and when the two car doors are accidentally pulled open during use, a certain danger is caused for passengers in the elevator;
in order to reduce the phenomenon of door-pulling of an elevator in daily use, an anti-pulling door safety device is needed to prevent passengers from pulling elevator car doors from the elevator car, as disclosed in Chinese patent publication No. CN216105429U, in order to prevent the passengers from pulling the elevator car, a controller controls a cylinder to start a connecting rod to be inserted into a fixing hole of a fixing block, then the vertically arranged cylinder pushes the fixing rod to be downwardly inserted into a vertically arranged hole on the fixing block and a hole on the fixing rod, and the fixing rod and the fixing block are fixed together to lock the elevator car door;
however, the above patent has some problems such as: according to the locking structure, the locking function is achieved through the small cylinder, however, through searching and experiments, the cross section of the small cylinder is about 20 mm, the transverse force born by the small cylinder is about 100kg, the stress area is small, the bearing force is correspondingly weakened, the larger transverse force cannot be born, and if a person uses larger force or tools to take off the car door, the cylinder is likely to deform or break, so that the anti-taking-off door safety device fails.
Disclosure of Invention
1. Technical problem to be solved
The utility model aims to solve the problems in the prior art and provide an anti-theft door safety device which can play a role in preventing door theft and alarming in emergency, can digest a part of stress and can bear larger transverse force, so that the car door can be effectively prevented from being separated.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a prevent taking off door safety device, includes the elevator and installs two sedan-chair doors on the elevator, two all seted up the mounting groove on the sedan-chair door, one of them the inside of mounting groove is provided with pushing mechanism, and wherein another the inside of mounting groove is provided with locking mechanism, pushing mechanism is including installing the mounting panel in one of them mounting groove, install driving motor on the mounting panel, the mounting panel is kept away from one side rotation of driving motor is connected with first threaded rod, just driving motor's output pass the mounting panel and with first threaded rod fixed connection, the outside of first threaded rod is provided with first rectangle case, just first rectangle case and mounting panel fixed connection, the inside sliding connection of first rectangle case has the locking lever, locking lever and first threaded rod threaded connection, still be provided with the shutoff mechanism that is used for shutoff mounting groove on the sedan-chair door, still be provided with the control host computer on the mounting panel, control host computer and the control terminal electric connection of elevator, driving motor and control host computer electric connection.
Further, the locking mechanism comprises a vertical rectangular box fixed inside one of the mounting grooves far away from the mounting plate, an electric push rod is mounted inside the vertical rectangular box, a travel rod of the electric push rod is vertically fixed downwards with a locking block, the locking block is in sliding connection with the vertical rectangular box, and a clamping groove for adapting to the locking block is formed in the top of one end of the locking rod.
Further, locking mechanism still includes adjusting part, adjusting part just electric putter's top just with clamp plate fixed connection including sliding in the inside clamp plate of vertical rectangle case, the inside threaded connection of clamp plate one end has the second threaded rod, the top of second threaded rod is fixed with the carrier block, the top of carrier block is located the inside of sedan-chair door, be interference fit between carrier block and the sedan-chair door.
3. Advantageous effects
Compared with the prior art, the utility model has the advantages that:
this scheme runs into when the outage at equipment, through the setting of first threaded rod and locking lever for first threaded rod and locking lever can be with exerting a portion of the component on electric putter by even dispersion, and through the setting of locking piece, make the locking piece can tightly block two sedan-chair doors, make it be difficult to be taken off, and then make the device can guarantee the normal switch of sedan-chair door and landing door, can play the effect that prevents to take off the door and report to the police again under emergency, thirdly, because through the setting of first spring, also can digest a portion of stress, the transverse force that its can bear is also great, consequently can prevent effectively that the sedan-chair door from being taken off.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the inside of the installation groove of the present utility model;
FIG. 3 is a schematic view of the pushing mechanism and locking mechanism of the present utility model;
FIG. 4 is an exploded view of the pushing mechanism and locking mechanism of the present utility model;
FIG. 5 is an exploded view of the pushing mechanism of the present utility model;
fig. 6 is a cross-sectional view of a vertical rectangular box of the present utility model.
The reference numerals in the figures illustrate:
1. a car door; 2. a mounting plate; 3. a driving motor; 4. a first threaded rod; 5. a first rectangular box; 6. a locking lever; 7. a second rectangular box; 8. a plugging rod; 9. a first spring; 10. a vertical rectangular box; 11. an electric push rod; 12. a locking block; 13. a pressing plate; 14. a second threaded rod; 15. a bearing block; 16. a closure plate; 17. and a cover plate.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples:
referring to fig. 1-5, an anti-theft door safety device comprises an elevator and two car doors 1 installed on the elevator, wherein the two car doors 1 are provided with installation grooves, a pushing mechanism is arranged in one installation groove, a locking mechanism is arranged in the other installation groove, and the two doors can be connected or disconnected through the arrangement of the pushing mechanism and the locking mechanism so as to realize locking or unlocking;
the pushing mechanism comprises a mounting plate 2 arranged in one of the mounting grooves, a driving motor 3 is arranged on the mounting plate 2, one side, far away from the driving motor 3, of the mounting plate 2 is rotationally connected with a first threaded rod 4, the output end of the driving motor 3 penetrates through the mounting plate 2 and is fixedly connected with the first threaded rod 4, through the arrangement, most of bearing stress of the first threaded rod 4 is applied to the mounting plate 2, the driving motor 3 is prevented from being stressed seriously, a first rectangular box 5 is arranged on the outer side of the first threaded rod 4, the first rectangular box 5 is fixedly connected with the mounting plate 2, a locking rod 6 is connected with the inner side of the first rectangular box 5 in a sliding mode, the locking rod 6 is in threaded connection with the first threaded rod 4, and a plugging mechanism for plugging the mounting groove is further arranged on the car door 1;
when the driving motor 3 operates, the first threaded rod 4 is rotated, the locking rod 6 can slide in the first rectangular box 5 due to the rotation of the first threaded rod 4, the locking rod 6 can be moved to the inside of the other mounting groove to be matched with the locking mechanism, the two lift gates 1 are locked, the situation that the two lift gates 1 are pulled apart by people when the elevator normally operates is avoided, accidents are avoided, and the working safety of the elevator is improved;
the mounting plate 2 is also provided with a control host, the control host is electrically connected with a control terminal of the elevator, the driving motor 3 is electrically connected with the control host, and during normal use of the elevator, the driving motor 3 is electrically connected with the control terminal of the elevator, so that the driving motor 3 can perform corresponding operation when the two car doors 1 are opened or closed, further, when the two car doors 1 do not perform door opening, the two car doors 1 can be in locking connection through the arrangement of the pushing mechanism and the locking mechanism, and when the two car doors 1 perform door opening, the locking connection of the two car doors 1 can be released through the arrangement of the pushing mechanism and the locking mechanism, so that the two car doors 1 can perform door opening work normally;
the locking mechanism comprises a vertical rectangular box 10 fixed in one of the installation grooves far away from the installation plate 2, an electric push rod 11 is installed in the vertical rectangular box 10, a travel rod of the electric push rod 11 is vertically and downwards fixed with a locking block 12, the locking block 12 is in sliding connection with the vertical rectangular box 10, inclined planes are arranged at the positions, close to the bottom, of the two sides of the locking block 12, a clamping groove for adapting to the locking block 12 is formed in the top of one end of the locking rod 6, when the locking rod 6 is moved to the inside of the other installation groove, the clamping groove can be abutted against the positions, close to the bottom, of the two sides of the locking block 12, and through the arrangement of the electric push rod 11, the electric push rod 11 pushes the locking block 12 to the inside of the clamping groove matched with the locking block, so that two elevator doors 1 can be locked, and accidental opening of an elevator by a person during normal operation is avoided;
when two car doors 1 need to be opened, the driving motor 3 operates again, so that the locking rod 6 can be moved to the inside of the first rectangular box 5 again to reset, in the moving and resetting process of the locking rod 6, the locking block 12 and the electric push rod 11 can be pushed to the inside of the vertical rectangular box 10 again through the inclined plane arranged by the locking block 12, the locking block 12 moves out of the inside of the clamping groove, when the locking rod 6 is reset, the locking between the two car doors 1 is released, and the two car doors 1 perform the door opening work;
the locking mechanism further comprises an adjusting component, the adjusting component comprises a pressing plate 13 sliding in the vertical rectangular box 10, the top end of the electric push rod 11 is fixedly connected with the pressing plate 13, a second threaded rod 14 is connected with one end of the pressing plate 13 through internal threads, a bearing block 15 is fixed at the top of the second threaded rod 14, the top of the bearing block 15 is located in the car door 1, a rotating groove adapting to the top end of the bearing block 15 is formed in the top of the car door 1, the top end of the bearing block 15 is located in the rotating groove, interference fit is achieved between the bearing block 15 and the car door 1, a rotating block is fixed at the bottom of the second threaded rod 14, and the second threaded rod 14 can be conveniently rotated through the arrangement of the rotating block;
when the elevator is installed, the second threaded rod 14 is rotated, so that the pressing plate 13 can move in the vertical rectangular box 10 towards the direction of the electric push rod 11, and the electric push rod 11 is arranged, so that the pressing plate 13 is always pushed to the inner side of a clamping groove corresponding to the locking block 12 by the electric push rod 11, the two elevator doors 1 cannot be pulled out by the force of personnel, namely the locking block 12 cannot be separated from the clamping groove, and further, when the elevator normally operates, the elevator cannot be pulled out by the personnel at will, accidents are reduced, and the working safety of the elevator is improved;
the plugging mechanism comprises two plugging plates 16, the two plugging plates 16 are respectively fixed at the ports of the two mounting grooves and used for plugging the ports of the mounting grooves, through the arrangement of the two plugging plates 16, the ports of the two mounting grooves can be plugged, dust or other objects which damage the normal operation of the elevator are prevented from entering the ports of the two mounting grooves, one end of the first rectangular box 5, which is far away from the mounting plate 2, is fixed in the interior of one plugging plate 16, one end, which is far away from the mounting plate 2, of the mounting groove is fixedly provided with a second rectangular box 7, the interior of the second rectangular box 7 is slidably connected with a plugging rod 8, one end, which is far away from the plugging rod 16, of the second rectangular box 7 is fixedly provided with a limiting block, the interior of the second rectangular box 7 is provided with a limiting groove which is matched with the limiting block, the plugging rod 8 and the second rectangular box 7 are slidably connected through the arrangement of the limiting block and the limiting groove, the plugging rod 8 and the locking rod 6 are both slidably connected with the other one end, which is far away from the plugging rod 16, the interior of the second rectangular box 7 is provided with a first spring 9, and the width of the locking rod 6 is the same as the width of the plugging rod 6;
wherein the other plugging plate 16 is internally provided with a rectangular through hole which is matched with the plugging rod 8, and the plugging rod 8 and the locking rod 6 can slide in the plugging plate 16 through the rectangular through hole;
when the locking rod 6 is moved into the other mounting groove, the locking rod 6 pushes the plugging rod 8 to move, so that the plugging rod 8 moves into the second rectangular box 7, at the moment, the first spring 9 is stressed to shrink, and when the locking rod 6 is reset into the first rectangular box 5, the plugging rod 8 slides into the interior of the plugging plate 16 to plug the rectangular through hole on the plugging plate 16 through the elastic characteristic of the first spring 9, so that an object is prevented from entering the interior of the other mounting groove through the rectangular through hole;
the plugging mechanism further comprises two cover plates 17, wherein the two cover plates 17 are respectively arranged at the side gaps of the two mounting grooves and are used for plugging the side gaps of the mounting grooves, and the side gaps of the two mounting grooves can be plugged through the two cover plates 17, so that dust or other objects which damage the normal operation of the elevator are prevented from entering the side gaps of the two mounting grooves;
when in use: firstly, the second threaded rod 14 is rotated, the cover plate 17 is compressed through the pressing plate 13, the elastic strength of the cover plate 17 is improved, when the elevator normally works, after the two elevator doors 1 are closed, the driving motor 3 works, the first threaded rod 4 is rotated, the locking rod 6 can slide into the blocking plate 16 and push the blocking rod 8 to move, at the moment, the first spring 9 is stressed and contracted, when one end of the locking rod 6 is contacted with the locking block 12, the locking rod 6 continuously moves until the locking block 12 corresponds to the clamping groove, and through the arrangement of the electric push rod 11, the electric push rod 11 pushes the locking block 12 to slide into the clamping groove, locking of the two elevator doors 1 is achieved, and through the characteristics of the electric push rod 11, personnel are prevented from pulling the two elevator doors 1, accidents are reduced, and safety of the elevator during operation is improved.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a prevent taking off door safety device, includes elevator and installs two sedan-chair doors (1) on the elevator, two all seted up the mounting groove on sedan-chair door (1), its characterized in that: one of them the inside of mounting groove is provided with pushing mechanism, and another one of them the inside of mounting groove is provided with locking mechanism, pushing mechanism is including installing mounting panel (2) in one of them mounting groove, install driving motor (3) on mounting panel (2), mounting panel (2) are kept away from one side rotation of driving motor (3) is connected with first threaded rod (4), just the output of driving motor (3) passes mounting panel (2) and with first threaded rod (4) fixed connection, the outside of first threaded rod (4) is provided with first rectangle case (5), just first rectangle case (5) and mounting panel (2) fixed connection, the inside sliding connection of first rectangle case (5) has locking lever (6), locking lever (6) and first threaded rod (4) threaded connection, still be provided with the shutoff mechanism that is used for shutoff mounting groove on sedan-chair door (1), still be provided with the control host computer on driving motor (2), control terminal electric connection with elevator, control host computer (3) and driving host computer electric connection.
2. A door safety device as claimed in claim 1, wherein: the locking mechanism comprises a vertical rectangular box (10) fixed inside one of the mounting grooves far away from the mounting plate (2), an electric push rod (11) is mounted inside the vertical rectangular box (10), a travel rod of the electric push rod (11) is vertically fixed with a locking block (12) downwards, the locking block (12) is in sliding connection with the vertical rectangular box (10), and a clamping groove for adapting the locking block (12) is formed in the top of one end of the locking rod (6).
3. A door safety device as claimed in claim 2, wherein: the locking mechanism further comprises an adjusting assembly, the adjusting assembly comprises a pressing plate (13) sliding inside the vertical rectangular box (10), the top end of the electric push rod (11) is fixedly connected with the pressing plate (13), a second threaded rod (14) is connected to one end of the pressing plate (13) through internal threads, a bearing block (15) is fixed to the top of the second threaded rod (14), the top of the bearing block (15) is located inside the car door (1), and interference fit is achieved between the bearing block (15) and the car door (1).
4. A door safety device according to claim 3, wherein: the plugging mechanism comprises two plugging plates (16), wherein the two plugging plates (16) are respectively fixed at the ports of the two mounting grooves and used for plugging the ports of the mounting grooves, one end of the first rectangular box (5) away from the mounting plate (2) is fixed in the interior of one plugging plate (16), one end of the first rectangular box is fixed with the second rectangular box (7) in the interior of the mounting groove away from the mounting plate (2), the second rectangular box (7) is slidably connected with a plugging rod (8), the plugging rod (8) and the locking rod (6) are slidably connected with the other plugging plate (16), and the first spring (9) is arranged in the interior of the second rectangular box (7) and away from one end of the plugging rod (8).
5. The anti-theft door safety device of claim 4, wherein: the plugging mechanism further comprises two cover plates (17), wherein the two cover plates (17) are respectively arranged at the side gaps of the two mounting grooves and are used for plugging the side gaps of the mounting grooves.
6. The anti-theft door safety device of claim 4, wherein: inclined planes are arranged on the two sides of the locking block (12) and near the bottom end.
CN202321775149.8U 2023-07-07 2023-07-07 Safety device for anti-theft door Active CN220334482U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321775149.8U CN220334482U (en) 2023-07-07 2023-07-07 Safety device for anti-theft door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321775149.8U CN220334482U (en) 2023-07-07 2023-07-07 Safety device for anti-theft door

Publications (1)

Publication Number Publication Date
CN220334482U true CN220334482U (en) 2024-01-12

Family

ID=89445392

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321775149.8U Active CN220334482U (en) 2023-07-07 2023-07-07 Safety device for anti-theft door

Country Status (1)

Country Link
CN (1) CN220334482U (en)

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